add_executable(1_Picking_Apple "1_Picking_Apple.c")
add_executable(2_Nice_Number_Pairs "2_Nice_Number_Pairs.c")
add_executable(3_Combine_Digits_to_Form_A_Three__Digit_Number "3_Combine_Digits_to_Form_A_Three__Digit_Number.c")
add_executable(4_Find_The_Largest_Prime_Number_Up_to_100 "4_Find_The_Largest_Prime_Number_Up_to_100.c")
